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Is there a way to identify the commercial verses industrial chip versions?

LarryCluff
Prodigy 10 points

Is there a register or other way to identify the commercial verses industrial temperature DM6446 parts using software? For example, I want to set the PLL to 513MHz for the industrial part and 594MHz for the commercial part.

I looked at JTAGID, but it appears that it only distiguishes between silicon versions 1.3 and 2.1. I haven't stumbled on anything else that might help.

  • TI__Mastermind 41665 points

    Unfortunately I do not think this is possible from a software level, the functional silicon inside both the industrial and commercial parts will be identical.

    You could implement this in your board hardware however, pulling a GPIO pin one way or the other depending on if you mount an industrial or commercial part and reading that GPIO pin in software.